Category: D

Extensive collections, reputedly complete, of references and citations to books, articles, publications, etc., generally on a single subject or specialized subject area. Databases can operate through automated files, libraries, or computer disks. The concept should be differentiated from factual databases which is used for collections of data and facts apart from bibliographic references to them.…

The beginning of the small intestine; lies just below the stomach. First part of the small intestine, between the stomach and the jejunum; the major site of digestion. This is the beginning of the small intestines, and it empties the stomach. It is 9 or 10 inches long, holds about the same amount of food…

Substance that stimulates excretion. A medicine that helps to purify by promoting the removal of waste material from the body.  

Colouring substance extracted from plants, minerals or animals. Any substance that is of itself colored or that is used to impart color to another material, such as a thin slice of tissue prepared for microscopic examination. Dyes may also be employed in manufacturing test reagents used in medical laboratories.  

In palms, a pair of flowers; Of pollen, a pair of coherent pollen grains shed as a unit. A two-person relationship, such as the therapeutic relationship between doctor and patient in individual psychotherapy. In sociology, a two-person group. A pair, or two people in an interaction; often used to describe a mother-and-newborn interaction.  

Of small size when compared to its nearest relatives. Low in stature. Any condition in which a person has abnormally short stature.  

Double; Twin;   Folded twice; Multiple specimens from a single herbarium gathering, irrespective of whether the source was one plant or more than one.  

(Of hairs) eglandular hairs found on achenes of Compositae/Asteraceae, each hair composed of two parallel cells, such hairs are also called twin hairs or Zwillingshaare in German. The double-helical structure of DNA (deoxyribonucleic acid). (Of tissues in polypores and tooth fungi) A soft layer above or below a hard or firm layer.  

An elongated tube. A tube through which body fluids pass. Any tube that conveys the secretion of any gland from one point to another. A tube which carries liquids, especially one which carries secretions. Tubelike channel for carrying fluids or other materials from one organ or part to another (e.g., the bile duct, which carries…